package net.minecraft.world.gen.feature;

import java.util.Random;
import net.minecraft.block.Block;
import net.minecraft.block.BlockLeaves;
import net.minecraft.block.BlockNewLeaf;
import net.minecraft.block.BlockNewLog;
import net.minecraft.block.BlockPlanks;
import net.minecraft.block.material.Material;
import net.minecraft.block.state.IBlockState;
import net.minecraft.init.Blocks;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumFacing;
import net.minecraft.world.World;

public class WorldGenSavannaTree extends WorldGenAbstractTree {
	private static final IBlockState field_181643_a = Blocks.log2.getDefaultState().withProperty(BlockNewLog.VARIANT,
			BlockPlanks.EnumType.ACACIA);
	private static final IBlockState field_181644_b = Blocks.leaves2.getDefaultState()
			.withProperty(BlockNewLeaf.VARIANT, BlockPlanks.EnumType.ACACIA)
			.withProperty(BlockLeaves.CHECK_DECAY, Boolean.valueOf(false));

	public WorldGenSavannaTree(boolean p_i45463_1_) {
		super(p_i45463_1_);
	}

	public boolean generate(World worldIn, Random rand, BlockPos position) {
		int i = rand.nextInt(3) + rand.nextInt(3) + 5;
		boolean flag = true;

		if (position.getY() >= 1 && position.getY() + i + 1 <= 256) {
			for (int j = position.getY(); j <= position.getY() + 1 + i; ++j) {
				int k = 1;

				if (j == position.getY()) {
					k = 0;
				}

				if (j >= position.getY() + 1 + i - 2) {
					k = 2;
				}

				BlockPos.MutableBlockPos blockpos$mutableblockpos = new BlockPos.MutableBlockPos();

				for (int l = position.getX() - k; l <= position.getX() + k && flag; ++l) {
					for (int i1 = position.getZ() - k; i1 <= position.getZ() + k && flag; ++i1) {
						if (j >= 0 && j < 256) {
							if (!this.func_150523_a(worldIn
									.getBlockState(blockpos$mutableblockpos.func_181079_c(l, j, i1)).getBlock())) {
								flag = false;
							}
						} else {
							flag = false;
						}
					}
				}
			}

			if (!flag) {
				return false;
			} else {
				Block block = worldIn.getBlockState(position.down()).getBlock();

				if ((block == Blocks.grass || block == Blocks.dirt) && position.getY() < 256 - i - 1) {
					this.func_175921_a(worldIn, position.down());
					EnumFacing enumfacing = EnumFacing.Plane.HORIZONTAL.random(rand);
					int k2 = i - rand.nextInt(4) - 1;
					int l2 = 3 - rand.nextInt(3);
					int i3 = position.getX();
					int j1 = position.getZ();
					int k1 = 0;

					for (int l1 = 0; l1 < i; ++l1) {
						int i2 = position.getY() + l1;

						if (l1 >= k2 && l2 > 0) {
							i3 += enumfacing.getFrontOffsetX();
							j1 += enumfacing.getFrontOffsetZ();
							--l2;
						}

						BlockPos blockpos = new BlockPos(i3, i2, j1);
						Material material = worldIn.getBlockState(blockpos).getBlock().getMaterial();

						if (material == Material.air || material == Material.leaves) {
							this.func_181642_b(worldIn, blockpos);
							k1 = i2;
						}
					}

					BlockPos blockpos2 = new BlockPos(i3, k1, j1);

					for (int j3 = -3; j3 <= 3; ++j3) {
						for (int i4 = -3; i4 <= 3; ++i4) {
							if (Math.abs(j3) != 3 || Math.abs(i4) != 3) {
								this.func_175924_b(worldIn, blockpos2.add(j3, 0, i4));
							}
						}
					}

					blockpos2 = blockpos2.up();

					for (int k3 = -1; k3 <= 1; ++k3) {
						for (int j4 = -1; j4 <= 1; ++j4) {
							this.func_175924_b(worldIn, blockpos2.add(k3, 0, j4));
						}
					}

					this.func_175924_b(worldIn, blockpos2.east(2));
					this.func_175924_b(worldIn, blockpos2.west(2));
					this.func_175924_b(worldIn, blockpos2.south(2));
					this.func_175924_b(worldIn, blockpos2.north(2));
					i3 = position.getX();
					j1 = position.getZ();
					EnumFacing enumfacing1 = EnumFacing.Plane.HORIZONTAL.random(rand);

					if (enumfacing1 != enumfacing) {
						int l3 = k2 - rand.nextInt(2) - 1;
						int k4 = 1 + rand.nextInt(3);
						k1 = 0;

						for (int l4 = l3; l4 < i && k4 > 0; --k4) {
							if (l4 >= 1) {
								int j2 = position.getY() + l4;
								i3 += enumfacing1.getFrontOffsetX();
								j1 += enumfacing1.getFrontOffsetZ();
								BlockPos blockpos1 = new BlockPos(i3, j2, j1);
								Material material1 = worldIn.getBlockState(blockpos1).getBlock().getMaterial();

								if (material1 == Material.air || material1 == Material.leaves) {
									this.func_181642_b(worldIn, blockpos1);
									k1 = j2;
								}
							}

							++l4;
						}

						if (k1 > 0) {
							BlockPos blockpos3 = new BlockPos(i3, k1, j1);

							for (int i5 = -2; i5 <= 2; ++i5) {
								for (int k5 = -2; k5 <= 2; ++k5) {
									if (Math.abs(i5) != 2 || Math.abs(k5) != 2) {
										this.func_175924_b(worldIn, blockpos3.add(i5, 0, k5));
									}
								}
							}

							blockpos3 = blockpos3.up();

							for (int j5 = -1; j5 <= 1; ++j5) {
								for (int l5 = -1; l5 <= 1; ++l5) {
									this.func_175924_b(worldIn, blockpos3.add(j5, 0, l5));
								}
							}
						}
					}

					return true;
				} else {
					return false;
				}
			}
		} else {
			return false;
		}
	}

	private void func_181642_b(World p_181642_1_, BlockPos p_181642_2_) {
		this.setBlockAndNotifyAdequately(p_181642_1_, p_181642_2_, field_181643_a);
	}

	private void func_175924_b(World worldIn, BlockPos p_175924_2_) {
		Material material = worldIn.getBlockState(p_175924_2_).getBlock().getMaterial();

		if (material == Material.air || material == Material.leaves) {
			this.setBlockAndNotifyAdequately(worldIn, p_175924_2_, field_181644_b);
		}
	}
}
